KPCS currently has 48 member representing 74 countries, with the European Community and its member states counting as an individual participant.
India is one of the founding members of the scheme. In addition, the World Diamond Council, representing diamond industry, and civil society organizations including the Global Witness, Partnership-Africa Canada also participate in the meeting.
Chair of KPCS rotates annually between the participant nations. Kimberley Process Chair oversees the implementation of the scheme, operations of the Working Groups and Committees and general administration of the scheme.